# Addition permit PMT1988-N2901 at 311 Mapleton Ave, Boulder

Boulder Planning and Development Services permit PMT1988-N2901: issued Dec 15, 1988 for addition work at 311 Mapleton Ave. Mech penthouse. The original general permit number is n2901.

- Permit number: PMT1988-N2901
- Issued: Dec 15, 1988
- Type of work: Addition (city: Building Permit - Non-Residential, Addition)
- Status: Finished (city: Letter of Completion)
- Reported cost: $33,000
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/311-mapleton-ave/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 13:14 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 311 Mapleton Ave: https://nearbypermits.com/boulder/address/311-mapleton-ave/